Surface heating for deicing composite aerodynamic structure uses electrically conducting reinforcing fibers to also act as resistance heating element

A composite component consists of reinforcing fibers (1, 3) embedded in a resin matrix. Electrically conducting fibers (1) also act as resistance elements to heat the surface and are connected (15) to a power source through contact grids (8). The connections (15) are taken through layers of non-cond...

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Bibliographische Detailangaben
Hauptverfasser:	HANKE, MICHAEL, FRANKEN, HOLGER, HERBECK, LARS
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIRCRAFT ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT AVIATION BLASTING COSMONAUTICS EQUIPMENT FOR FITTING IN OR TO AIRCRAFT FLYING SUITS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR PARACHUTES PERFORMING OPERATIONS PRODUCING MECHANICAL POWER SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WIND MOTORS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A composite component consists of reinforcing fibers (1, 3) embedded in a resin matrix. Electrically conducting fibers (1) also act as resistance elements to heat the surface and are connected (15) to a power source through contact grids (8). The connections (15) are taken through layers of non-conducting fibers (3) to the back of the component. A temperature sensor (2) is embedded in the matrix. An independent claim is also included for the process of making such a component by laying up fibers in a mold, saturating the fibers and hardening the matrix with the connecting components (15) in place. Ein aerodynamisches Bauteil (2) weist eine Flächenheizung (13) auf, um Vereisungen einer äußeren Oberfläche (17) des Bauteils (2) zu verhindern. Das Bauteil (2) umfasst eine tragende Struktur (18) mit einer zusammenhängenden Kunststoffmatrix (19) und mit darin eingebetteten Verstärkungsfasern (1, 3). Die Flächenheizung (13) umfasst mindestens ein flächenförmiges Widerstandsheizelement (14), das aus elektrisch leitfähigen Verstärkungsfasern (1) der tragenden Struktur (18) ausgebildet ist.